UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RMbiYb8NCeogyE4B/NMRxKgmmmN5bNHjSPkziyYs7go=' 
WHERE 
  key_id = 'a5f6daf750dd1197366d62e462219c730ac760c96257981c1f1ffec97b3b62db' 
  AND (
    token = 'RMbiYb8NCeogyE4B/NMRxKgmmmN5bNHjSPkziyYs7go=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )